Leukocyte Evaluation

Question 1

Decreased Lymphocyte Count

Answer 1

Lymphopenia

Question 2

Decreased Monocyte Count

Answer 2

Monocytopenia

Question 3

Suffix for increased count of Agranulocytes

Answer 3

“Cytosis”: Lymphocytosis and monocytosis

Question 4

Suffix for increased count of Granulocytes

Answer 4

“Philia”: Neutrophilia, Eosinophilia, Basophilia

Question 5

Causes of Neutropenia

Answer 5

• Decreased production
• Excessive use
• Viral infection

Question 6

Causes of Neutrophilia

Answer 6

• Stress
• Inflammation (left shift “hallmark”)

Question 7

Causes of Lymphocytosis

Answer 7

• Lymphoma
• Leukemia (FeLV)
• Excitement in cats

Question 8

Causes of Lymphopenia

Answer 8

Stress and Corticosteroids

Question 9

Causes of Monocytosis

Answer 9

Stress and Chronic Infection

Question 10

Causes of Eosinophilia

Answer 10

• Allergies
• Parasites
• Neoplasia
• Addison’s Disease

Question 11

Causes of Basophilia

Answer 11

Rare….seen with Eosinophilia
Could be Allergies

Question 12

Causes of Basopenia

Answer 12

References are 0

Question 13

This is

Answer 13

1. Glucocorticoids
2. Ageing Change
3. Prolonged Circulating time
4. “Hypermaturation”

Question 14

This is a MORPHOLOGIC ABNORMALITY known as Peiger-Huet Anomaly and is hereditary in Aussie/Basenji and acquired in Ruminants.

Answer 14

Nuclear Hyposegmentation

Question 15

This is a MORPHOLOGIC ABNORMALITY where a Leukocyte has more than 3-4 Nuclear lobes. It can be the result of glucocorticoids or ageing.

Answer 15

Nuclear Hypersegmentation